Search a number
-
+
147737109 = 3134398629
BaseRepresentation
bin10001100111001…
…00101000010101
3101021222211012210
420303210220111
5300310041414
622354304033
73442513302
oct1063445025
9337884183
10147737109
1176437093
1241588019
13247b8c10
141589a0a9
15ce83e59
hex8ce4a15

147737109 has 16 divisors (see below), whose sum is σ = 212643200. Its totient is φ = 90697536.

The previous prime is 147737099. The next prime is 147737137. The reversal of 147737109 is 901737741.

It is not a de Polignac number, because 147737109 - 212 = 147733013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147737209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12807 + ... + 21435.

It is an arithmetic number, because the mean of its divisors is an integer number (13290200).

Almost surely, 2147737109 is an apocalyptic number.

It is an amenable number.

147737109 is a deficient number, since it is larger than the sum of its proper divisors (64906091).

147737109 is a wasteful number, since it uses less digits than its factorization.

147737109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 147737109 is about 12154.7155046920. The cubic root of 147737109 is about 528.6438677268.

The spelling of 147737109 in words is "one hundred forty-seven million, seven hundred thirty-seven thousand, one hundred nine".

Divisors: 1 3 13 39 439 1317 5707 8629 17121 25887 112177 336531 3788131 11364393 49245703 147737109